Determinants of multimorbidity in older adults in Iran: a cross-sectional study using latent class analysis on the Bushehr Elderly Health (BEH) program.

"Declarations Ethics approval and consent to participateThis study was conducted in full accordance with the Declaration of Helsinki. Ethical approval for this study was granted by the Ethics Committee of Bushehr University of Medical Sciences (IR.BPUMS.REC.1402.062). All study participants provided informed consent to participate in this study, after learning about the procedures involved. Participation was entirely voluntary; any participant was able to withdraw their consent at any time, without consequence. Consent to publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding Funding for BEH Program was jointly provided by the Persian Gulf Biomedical Sciences Research Institute affiliated with Bushehr (Port) University of Medical Sciences (BPUMS) and the Endocrinology and Metabolism Research Institute, affiliated with the Tehran University of Medical Sciences (TUMS). Researchers from both research centers have contributed to the design and conduct of this research project."